05000334/LER-1981-057, Forwards LER 81-057/03L-0

Forwards LER 81-057/03L-0

ML20009D480
Person / Time
Site:	Beaver Valley
Issue date:	07/10/1981
From:	Williams H DUQUESNE LIGHT CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009D482	List: 05000334/LER-1981-057, Forwards LER 81-057/03L-0 05000334/LER-1981-057-03, /03L-0:on 810610,failed Power Supply for Rate Module of Loop C Main Steam Break Protection During Cooldown Channel 3 Was Discovered.Caused by Bad Transistor on Power Supply & Rate Card.Card Replaced
References
BVPS:HPW:333, NUDOCS 8107240106
Download: ML20009D480 (7)

LER-1981-057, Forwards LER 81-057/03L-0

Event date:
Report date:
3341981057R00 - NRC Website

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15219 DUQUESNE LIGHT COMPANY Beaver Valley Power Station Post Office Box 4 I'

Shippingport, PA 15077 July 10, 1981 BVPS:HPW:333 f

Beaver Valley Power Station, Unit No. 1-f* \\.

Docket No. 50-334, License No. DPR-66 J

M 2 o 1981 u Igl i

LER 81-57/03L

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i Mr. B. H'.. Grier, Director D.

- United States Nuclear Regulatory Commission b

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Region 1-

.631 Park Avenue King of Prussia, Pennsylvania 19406

' Dear Mr. Grier:

In accordance'with Appendix A, Beaver Valley Technical Specifications, the following Licensee Event Report is submitted:

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LER 81-57/03L, Technical Specification 3.3.2.1, Engineered Safety

' Feature Actuation System Instrumentation.

Very truly yours,

}llTS$bwo l

i H. P. Williams l

Superintendent 1

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'0107240106 810710 i'

'PDR ADOCK 05000334-S PDR

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Mr. B. II. Grier July 10, 1981-liVPS :llPW: 3 33 Page 2 cc: Director Of Management 6 Program Analysin United States Nuclear Regulatory Commission Washington, D. C.

20555 J. Ilultz, Ohio Edison Director, Of fice of Inspection and Enf orcement IIcadquarters

~ United States Nuclear Regulatory Commission Washington, D. C.

20555 D. A. Chaney, EVPS Licensing Project Manager United States Nuclear Regulatory Commission Washington,_D. C.

20555 D. A. Beckman, Nuclear Regulatory Commission, BVPS Site Inspector Mr. Alex Timme, CAPC0 Nuclear Projects Coordinator, Toledo Edison Nuclear Safety Analysis Center, Palo Alto, California G. E. Muckle,' Factory Mutual Engineering, Pittsburgh R. C. Wittschen, Stone & Webster / Boston